/trunk/src/Visualizer/frmMain.cs

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Web.Routing;

using System.Web.Script.Serialization;



namespace Sparrow.VisualStudio.Debugger.RouteVisualizer

{

    public partial class frmMain : Form

    {

        public frmMain()

        {

            InitializeComponent();



            this.RouteCollection = new RouteCollection();

        }



        

        public RouteCollection RouteCollection

        {

            get;

            set;

        }



        public DebugHttpContext RequestContext

        {

            get;

            set;

        }



        private void frmMain_Shown(object sender, EventArgs e)

        {

            MatchRoutes();

            this.txtRelativeUrl.Text = this.RequestContext.Request.AppRelativeCurrentExecutionFilePath;

            this.txtPathInfo.Text = this.RequestContext.Request.PathInfo;

        }



        List<RouteRow> Rows

        {

            get;

            set;

        }



        void MatchRoutes()

        {

            this.Rows = new List<RouteRow>();



            using (this.RouteCollection.GetReadLock())

            {

                var json = new JavaScriptSerializer();

                for (var i = 0; i < this.RouteCollection.Count; i++)

                {

                    var item = this.RouteCollection[i];

                    if (item is Route)

                    {

                        var route = item as Route;

                        var row = new RouteRow();

                        row.RouteData = route.GetRouteData(this.RequestContext);

                        row.Url = route.Url;

                        row.Defaults = string.Join("&", route.Defaults.Select(m => m.Key + "=" +json.Serialize(m.Value)));

                        row.DataTokens = string.Join("&", route.DataTokens.Select(m => m.Key + "=" +json.Serialize(m.Value)));

                        row.Constraints = string.Join("&", route.Constraints.Select(m => m.Key + "=" +json.Serialize( m.Value)));

                        row.RouteHandler = route.RouteHandler == null ? "" : route.RouteHandler.ToString();



                        Rows.Add(row);

                    }

                    else

                    {

                        var row = new RouteRow();

                        row.RouteData = item.GetRouteData(this.RequestContext);

                        row.Url = item.ToString();

                        row.Defaults = "";

                        row.DataTokens = "";

                        row.Constraints = "";

                        row.RouteHandler = "";

                        Rows.Add(row);

                    }

                }

            }

            this.dgvRoutes.DataSource = Rows;



            this.txtRouteCount.Text = Rows.Count.ToString();

            this.txtMatchedRoutesCount.Text = Rows.Where(i => i.Matched).Count().ToString();



            SelectFirstMatched();

        }



        bool IsRender

        {

            get;

            set;

        }

        private void btnMatch_Click(object sender, EventArgs e)

        {



            if (this.txtRelativeUrl.Text.StartsWith("~/") == false)

            {

                this.txtRelativeUrl.Text = "~/" + this.txtRelativeUrl.Text;

            }

            this.RequestContext = new DebugHttpContext(new DebugHttpRequest(this.txtRelativeUrl.Text, this.txtPathInfo.Text));



            this.IsRender = false;

            this.MatchRoutes();

            this.IsRender = true;



            SelectFirstMatched();

        }



        private void SelectFirstMatched()

        {

            var firstMatched = this.Rows.Select((i, index) => new { i.Matched, index }).Where(i => i.Matched).FirstOrDefault();

            if (firstMatched != null)

            {

                dgvRoutes.Rows[firstMatched.index].Selected = true;

                ShowRouteData(this.Rows[firstMatched.index]);

            }

            else

            {

                ShowRouteData(null);

            }

        }



        private void aboutToolStripMenuItem_Click(object sender, EventArgs e)

        {

            frmAbout about = new frmAbout();

            about.ShowDialog();

        }



        private void exitToolStripMenuItem_Click(object sender, EventArgs e)

        {

            this.Close();

        }   



        private void dgvRoutes_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)

        {

            Rectangle rectangle = new Rectangle(e.RowBounds.Location.X,

                e.RowBounds.Location.Y,

                dgvRoutes.RowHeadersWidth - 4,

                e.RowBounds.Height);



            TextRenderer.DrawText(e.Graphics, (e.RowIndex + 1).ToString(),

                dgvRoutes.RowHeadersDefaultCellStyle.Font,

                rectangle,

                dgvRoutes.RowHeadersDefaultCellStyle.ForeColor,

                TextFormatFlags.VerticalCenter | TextFormatFlags.Right);



       

            if (dgvRoutes.Rows[e.RowIndex].Cells["Matched"].Value.Equals(true))

            {

                dgvRoutes.Rows[e.RowIndex].DefaultCellStyle.BackColor = Color.LightGreen;

                

            }

        }



        private void dgvRoutes_SelectionChanged(object sender, EventArgs e)

        {

            if (this.IsRender)

            {

                if (this.dgvRoutes.SelectedRows.Count > 0)

                {

                    var index = this.dgvRoutes.SelectedRows[0].Index;

                    this.ShowRouteData(this.Rows[index]);

                }else

                {

                    this.ShowRouteData(null);

                }

            }

        }



        void ShowRouteData(RouteRow row)

        {

          

            if (row != null && row.RouteData != null)

            {

                var json = new JavaScriptSerializer();



                this.dgvRouteData.DataSource = row.RouteData.Values.Select(i => new { Key = i.Key, Value = i.Value }).ToList();

                this.dgvDataTokens.DataSource = row.RouteData.DataTokens.Select(i => new { Key = i.Key, Value =json.Serialize(i.Value) }).ToList();

            }

            else

            {

                var empty = new List<object>().Select(i=> new { Key = "",Value=""}).ToList();

                this.dgvRouteData.DataSource = empty;

                this.dgvDataTokens.DataSource = empty;

            }

        }



       



    }

}